Atuman CF1 Multifunctional Carbon Dioxide Tester CO2 Temperature Humidity Display Clock display 3 inch Screen High Accur Price$44.55 24 days Low $43.22 · High $44.55 at Bang Good
SCD40 SCD41 Gas Detect Sensor CO2 Temperature Humidity Monitor High Accuracy I2C Interface Low Power Consumption Price$30.74 24 days Low $29.82 · High $33.29 at Bang Good
K6-O2 A8-O2 Oxygen Detector 3.5 Inch TFT LCD Screen Real-Time Monitoring 0-30 Percent VOL Industrial Grade Sensors Tempe Price$96.55 24 days Low $93.66 · High $96.55 at Bang Good
UNI-T UT336A HVAC Leak Detector Sensitive Tool 6 Levels LED Indicator Long Battery Life Advanced Technology Price$74.26 24 days Low $72.04 · High $74.26 at Bang Good
